Nineteen new coal-ash dumping sites causing groundwater contamination at levels above the Maximum Contamination Level were identified in a new report done by the Environmental Integrity Project.

The sites, spread over ten different states, have been seeping things like arsenic into the local groundwater supplies.

The EIP also found that coal-ash used as an industrial filler to fill in a rail bed was contaminating the soil–important because this kind of “recycling” is totally unregulated.

This newest report brings the Environmental Protection Agency’s number of documented “damage cases” to 157.

The EIP is a non-profit formed by former EPA enforcement attorneys to advocate more effective enforcement of environmental laws. The agency has been collecting evidence of groundwater contamination since 2007.